239803085691648 has 432 divisors, whose sum is σ = 716954531005440. Its totient is φ = 77005071360000.

The previous prime is 239803085691563. The next prime is 239803085691707. The reversal of 239803085691648 is 846196580308932.

It is a happy number.

239803085691648 is a `hidden beast` number, since 2 + 3 + 9 + 8 + 0 + 3 + 0 + 8 + 569 + 16 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56704439998 + ... + 56704444226.

It is an arithmetic number, because the mean of its divisors is an integer number (1659616969920).

Almost surely, 2^{239803085691648} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 239803085691648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358477265502720).

239803085691648 is an abundant number, since it is smaller than the sum of its proper divisors (477151445313792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

239803085691648 is a wasteful number, since it uses less digits than its factorization.

239803085691648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7696 (or 7679 counting only the distinct ones).

The product of its (nonzero) digits is 537477120, while the sum is 72.

It can be divided in two parts, 23980308 and 5691648, that added together give a triangular number (29671956 = T₇₇₀₃).

The spelling of 239803085691648 in words is "two hundred thirty-nine trillion, eight hundred three billion, eighty-five million, six hundred ninety-one thousand, six hundred forty-eight".